Home / 27,648.71-38,153.52-16,318.64

Finding the Fourth Proportional to 27,648.71, 38,153.52 and 16,318.64

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Solution

The fourth proportional to 27,648.71, 38,153.52 and 16,318.64 is: 22,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648.71 : 38,153.52 = 16,318.64 : x
  2. Step 2: Convert to fraction form
    27,648.71/38,153.52 = 16,318.64/x
  3. Step 3: Cross multiply
    27,648.71x = 38,153.52 × 16,318.64
  4. Step 4: Simplify right side
    27,648.71x = 622,613,366.85
  5. Step 5: Solve for x
    x = 622,613,366.85/27,648.71
  6. Step 6: Final answer
    x = 22,518.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.